Finding the Fourth Proportional to 541, 745.95 and 436.51
Calculator
Solution
The fourth proportional to 541, 745.95 and 436.51 is: 601.88
Step by Step Solution
- Step 1: Write the proportion equation
541 : 745.95 = 436.51 : x - Step 2: Convert to fraction form
541/745.95 = 436.51/x - Step 3: Cross multiply
541x = 745.95 × 436.51 - Step 4: Simplify right side
541x = 325,614.63 - Step 5: Solve for x
x = 325,614.63/541 - Step 6: Final answer
x = 601.88
Related Problems
Find fourth proportional to 270.50, 372.98 and 218.26
Half scale
Find fourth proportional to 1,082, 1,491.90 and 873.02
Double scale
Find fourth proportional to 542, 747.33 and 437.51
Similar ratio
Find fourth proportional to 811.50, 1,118.93 and 654.77
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.